| Observation data Epoch J2000 Equinox J2000 |
|
|---|---|
| Constellation | Aquarius |
| Right ascension | 23h 42m 43.3441s |
| Declination | -14° 32′ 41.657″ |
| Apparent magnitude (V) | 4.483 |
| Characteristics | |
| Spectral type | B9V |
| U−B color index | -0.12 |
| B−V color index | -0.04 |
| Astrometry | |
| Radial velocity (Rv) | 3 km/s |
| Proper motion (μ) | RA: 98.35 mas/yr Dec.: -66.78 mas/yr |
| Parallax (π) | 21.16 ± 0.87 mas |
| Distance | 154 ± 6 ly (47 ± 2 pc) |
| Absolute magnitude (MV) | 4.451 |
| Details | |
| Mass | 18 M☉ |
| Radius | 7 R☉ |
| Luminosity | 20,000 L☉ |
| Temperature | 10,000–30,000 K |
| Rotation | 0.006228 Year |
| Other designations | |
| Database references | |
| SIMBAD | data |
| Database references | |
| SIMBAD | data |
Omega2 Aquarii (ω2 Aqr, ω2 Aquarii) is a star in the constellation Aquarius. It is approximately 154 light years from Earth.
ω2 Aquarii is a blue-white B-type main sequence dwarf star with an apparent magnitude of +4.49. It has a companion star located 5 arcseconds away, which is thought to be an optical companion.
|
|||||||||||